Learn how your comment data is processed. Your email address will not be published. I always want to explore something new and experiment on Android Smartphones, here on 99mediasector. Till now getting any issue in any step or want to learn more for different devices, please write your comment below. But changing IMEI number of any devices is illegal according the law. But in case you are unable to fix these issues after flashing firmware or want to change IMEI number then device should be rooted.īut do it on your own risk. T his method can be use on any Samsung android Smartphone. Z3x pro tool is a premium flash tool but if you try to search on internet, you can find patched Samsung Z3x pro tool free.īy using z3x pro tool user can flash firmware, can unlock frp lock and also can change IMEI number to remove unknown baseband error just in few steps. If yes then you have landed on right place.